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