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