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