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