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