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