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)(11,15)(12,14)(13,16)(17,18,23,25)(19,27,28,24)(20,30,31,22)(21,32,29,26)(1,2)(3,5)(4,6)(7,8)(17,19,23,28)(18,24,25,27)(20,29,31,21)(22,26,30,32)(9,10,12,14)(11,13,16,15)(18,25)(19,28)(20,31)(26,32)(9,10)(11,13)(12,14)(15,16)(17,20)(18,22)(19,29)(21,28)(23,31)(24,26)(25,30)(27,32) involution — undirected(9,11)(10,13)(12,16)(14,15)(17,21,23,29)(18,26,25,32)(19,20,28,31)(22,24,30,27)(1,3,4,7)(2,5,6,8)(17,22)(18,20)(19,26)(21,27)(23,30)(24,29)(25,31)(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.