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