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