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