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