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