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