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