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