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