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