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