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