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