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