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