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