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