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