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