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