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