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