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