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