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