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