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)(11,12)(13,15)(14,16)(17,18,21,23)(19,20,24,22)(25,26,29,30)(27,31,32,28)(9,11)(10,14)(12,15)(13,16)(17,19,21,24)(18,22,23,20)(26,30)(28,31)(10,15)(11,16)(18,23)(20,22)(25,27,29,32)(26,31,30,28)(1,3,5,8)(2,6,4,7)(9,11)(10,12)(13,16)(14,15)(17,20)(18,19)(21,22)(23,24)(25,27)(26,28)(29,32)(30,31)(1,4,5,2)(3,7,8,6)(9,12)(10,11)(13,14)(15,16)(17,19)(18,20)(21,24)(22,23)(25,28)(26,27)(29,31)(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.