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