Put a tight shirt on her and that should help calm her. My Bogey is just like that with fireworks and thunder. I put a shirt on him and it really does help to calm him. They also sell jackets made specifically for this that almost look like a doggy straight jacket. They are make to fit very snugglie around the body to help sooth the anxiety. Here is one but I have seen others in the past too.
Anxiety Wrap. X-Small - Dog Supplies