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