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)(11,16)(12,13)(14,15)(17,18,22,21)(19,24,23,20)(27,31)(28,30)(2,5)(6,7)(10,15)(13,16)(18,21)(20,24)(25,26,29,32)(27,28,31,30)(9,11,14,12)(10,16,15,13)(17,19)(18,20)(21,24)(22,23)(25,27,29,31)(26,30,32,28)(1,3)(2,6)(4,8)(5,7)(9,12,14,11)(10,13,15,16)(17,20,22,24)(18,23,21,19)(25,26)(27,30)(28,31)(29,32)(1,2)(3,6)(4,5)(7,8)(9,13)(10,11)(12,15)(14,16)(17,21,22,18)(19,24,23,20)(25,28,29,30)(26,31,32,27)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.