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