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