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