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