Hello,
The MC9S08QG8 device is available in CodeWarrior v11.1 under the section S08>HCS08Q Family>MC9S08QG8
I tested with the following setup:
OS: Windows 11
CodeWarrior: 11.1
Device: MC9S08QG8 in board DEMO9S08QG8
Debug Connection: Via the connection in board DEMO9S08QG8 (USB-to-BDM interface)

Best Regards,