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