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