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