One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,8)(3,7,4,6)(9,10,14,11)(12,13,15,16)(17,18,22,26)(19,27,30,24)(20,23,25,21)(28,32,31,29)(1,3,5,4)(2,6,8,7)(9,11,14,10)(12,16,15,13)(17,19)(18,24)(20,31)(21,29)(22,30)(23,32)(25,28)(26,27)(9,12,13,11,14,15,16,10)(17,20,23,26,22,25,21,18)(19,28,29,27,30,31,32,24)(1,4,5,3)(2,7,8,6)(17,21,22,23)(18,25,26,20)(19,29,30,32)(24,28,27,31)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.