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