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