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