One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,7,9,6,10,5,11)(3,12,14,15,8,16,13,4)(17,18)(19,29)(20,34,38,42)(21,27)(22,26)(23,28)(24,31)(25,36,43,37)(30,39,47,48)(32,40)(33,44)(35,41,46,45)(1,3,5,13,6,8,7,14)(2,4,9,12,10,15,11,16)(17,19,21,31,23,33,22,32)(18,24,26,29,28,40,27,44)(20,35,36,30,38,46,37,47)(25,41,42,48,43,45,34,39)(1,4)(2,8)(3,10)(5,16)(6,15)(7,12)(9,13)(11,14)(17,20,23,38)(18,25,28,43)(19,30,33,47)(21,37,22,36)(24,39,40,48)(26,34,27,42)(29,45,44,41)(31,35,32,46)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.