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