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