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