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