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