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