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