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