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