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