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