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