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