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