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