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