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