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