:?: Dont you have the flat ribbon-wire cables? There is several, one for firewire port and one big one for the front panel inputs and outputs..
The "solder and wire" scenario can be avoided by purchasing the "Audigy Bay" device the platinum version has. You may find an online forum that lists the pinouts on the cards "bay" outputs... but don't expect help from Creative.
There are kits that can route your sound outputs to the front of your case, but to use the "built in", you would still have to do some solder and wiring.
No matter how you approach this... chances are you're not going to do it for free... or without some research.
Edit: found this excel file with the 40pin outputs: AUD_EXTtoAD_EXT