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