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