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