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