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