The colour coding shouldn't make all that much difference if you are wiring 2 wall sockets one at each end of the cable. As long as you wire both the same. Red in pin 1, blue in pin 2 and so forth. Just make sure you check them with a continuity tester to make sure all wires are connected and not shorting across anywhere.
Try this website
http://www.swhowto.com/CAT5_Ch1.htm
Allen