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