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