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