Thank you for posting and welcome to the community. I would be happy to help with this.
The only way to get the radio to play through your Soundlink Color would be by connecting the Wave Radio to the speaker with a 3.5mm AUX connection. You would connect it from the headphones port on your Wave to the input on your Color.
If you were to do this you would, however, only get audio from the SoundLink Color. We do not have any way of getting audio out fo both speakers at the same time using Bose equipment.
I would like to invite the community to share any methods they may have found for connecting these two together.