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