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