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