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