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