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