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