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