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)(11,15)(12,13)(14,16)(17,18,24,30)(19,25,20,27)(21,32,31,26)(22,29,23,28)(1,3,5,4)(2,6,8,7)(9,10)(11,14)(12,13)(15,16)(17,19,24,20)(18,25,30,27)(21,22,31,23)(26,28,32,29)(10,13)(14,15)(17,20,22,31,24,19,23,21)(18,26,28,27,30,32,29,25)(9,11,12,16)(10,14,13,15)(17,21,23,19,24,31,22,20)(18,27,29,26,30,25,28,32)(1,4,5,3)(2,7,8,6)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.