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