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