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)(17,18,22,28,23,27,38,44)(19,29,32,42,31,46,35,24)(20,33,37,48,36,25,43,41)(21,26,30,45,39,40,34,47)(9,10)(11,15)(12,14)(13,16)(17,19,23,31)(18,24,27,42)(20,34,36,30)(21,37,39,43)(22,35,38,32)(25,26,33,40)(28,46,44,29)(41,47,48,45)(2,5)(6,8)(9,11,12,16)(10,13,14,15)(17,20,23,36)(18,25,27,33)(19,30,31,34)(21,32,39,35)(22,37,38,43)(24,40,42,26)(28,41,44,48)(29,47,46,45)(11,16)(13,15)(17,21,38,34,23,39,22,30)(18,26,44,47,27,40,28,45)(19,20,35,43,31,36,32,37)(24,41,46,25,42,48,29,33)(1,3,4,7)(2,6,5,8)(10,14)(13,15)(18,27)(19,31)(20,36)(26,40)(28,44)(32,35)(37,43)(45,47)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.