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