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