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