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