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