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