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