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