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