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