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