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