you can take a sock and use it almost like a bandage on her paw/leg, you need a sock and then one if not two rubber bands that won’t end up to tight on her leg. have someone hold her scruff while u slip the sock on, slide it up pretty much as far up her leg as it will go and if you need to then bring the excess back down on itself (u know like you’re almost going to be turning the sock inside out but don’t go all the way). then rubber band at the top and at the bottom. keep an eye on her and then do your move and so on if you can’t get to a vet before then. she may slip on the sock but she is less likely to do more damage if the sock is on there. it acts as a mild down and dirty “splint” and provides cushioning around her injury for travel.
Possible pain relievers, give her treats, hold her or sit with her so she doesn’t feel inclined to move about to much. If you have it or if you want to go out and buy it give her some catnip (it will ease her pain so to speak, in theory).
and get her to the vet as soon as is physically possible
if she starts getting really dehydrated seeming (granted cats can go a good day and a little without eating or drinking anything, simply amazing creatures) If you need her to eat more, then try baby food anything meaty flavoring in baby food would do. if you need her to drink more if you have an eye dropper you can fill it with water and then press it at the side of their mouth towards the back of her cheek, and spray the dropper in slowly, but continually, cats can’t spit it out, they automatically swallow when something hits the back area of their mouth *(I’ve done both these things with my cats when they were sick feeding and giving water to the cats it’s quite effective, just be patient)