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