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