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