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