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