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