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