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