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