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