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