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