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