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