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)(17,18,22,21)(19,23,25,27)(20,24,29,30)(26,31,32,28)(1,3,5,4)(2,6,8,7)(9,10,13,14)(11,16,12,15)(17,19,22,25)(18,23,21,27)(20,28,29,31)(24,26,30,32)(1,3,5,4)(2,7,8,6)(9,11,13,12)(10,15,14,16)(19,25)(23,27)(26,32)(28,31)(9,11,13,12)(10,16,14,15)(17,20)(18,24)(19,26)(21,30)(22,29)(23,31)(25,32)(27,28)(1,4,5,3)(2,7,8,6)(9,12,13,11)(10,15,14,16)(17,18,22,21)(19,27,25,23)(20,24,29,30)(26,28,32,31)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.