How can I transfer money from my Apple account to cash card?

Contact Apple directly to see if they can reverse the transaction. There is no way for you to transfer money out of your Apple Account. The title of your post is "Apple Card", but not sure if the content of your post has anything to do with the Apple Card. There are 3 payment methods related to Apple and the are the Apple Account, Apple Cash, and Apple Card.

Contact Apple for support and service - Apple Support

I think you might have a misunderstanding about your various Apple services.

Apple ID Account is where Apple Gift Cards are redeemed into. Funds in Apple ID Accounts are exclusively used online for purchases of Apple products and services or in an Apple Retail Store.

Apple Cash accounts are similar to Cash App and Venmo. They are used for purchases at any business that accepts Visa and Apple Pay.