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