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