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