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