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