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