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