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