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