I use those stick on cable tidies you can get in packs for front facing cables on the desktop, keeps things neat and organised, a closer look:
The desk has built in cable guides on the underside though so they are in place there.
![B0t6DsL.jpeg](https://i.imgur.com/B0t6DsL.jpeg)
![JF4QnaL.jpeg](https://i.imgur.com/JF4QnaL.jpeg)
![YK2ejhc.jpeg](https://i.imgur.com/YK2ejhc.jpeg)
The desk has built in cable guides on the underside though so they are in place there.