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