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