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