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