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