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