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