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