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