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