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