Considering the wound is cleaned well...
Fold it into its natural position to the best of your ability, apply the antiseptic moist non-adherent dressing to the largest injury site, wrap gauze/cast padding around that, then the vet wrap.
The bandage should be tight enough to resist her pulling it off, but loose enough not to restrict blood flow. It should be padded well. You can follow the instructions below, and wrap the wing to the body to provide support.
View attachment 2713763
This bandaging style is used most frequently for wing injures.
There are many videos online showing this style as well.