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