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