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