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