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