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