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