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