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