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