One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,5)(3,7,8,6)(9,10,15,11)(12,14,16,13)(17,18,22,26)(19,27,30,24)(20,23,25,21)(28,32,31,29)(2,5)(6,7)(9,11,15,10)(12,13,16,14)(17,19,22,30)(18,24,26,27)(20,31,25,28)(21,29,23,32)(9,12,14,11,15,16,13,10)(17,20,23,26,22,25,21,18)(19,28,29,27,30,31,32,24)(1,3,4,8)(2,6,5,7)(9,13,15,14)(10,12,11,16)(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.