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