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