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