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