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