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