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