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