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