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