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