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