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