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