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