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