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