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