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