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