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