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