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)(17,18)(19,26)(20,28)(21,23)(22,25)(24,29)(27,31)(30,32)(33,34)(35,45)(36,39)(37,46)(38,42)(40,44)(41,48)(43,47)(1,2,6,3)(4,9,12,7)(5,8,14,10)(11,16,13,15)(17,19,22,21)(18,23,25,26)(20,27,29,30)(24,31,28,32)(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)(4,7,12,9)(5,10,14,8)(11,15,13,16)(17,20)(18,24)(19,27)(21,30)(22,29)(23,31)(25,28)(26,32)(33,37,40,47)(34,43,44,46)(35,42,48,39)(36,41,38,45)(1,4)(2,7)(3,9)(5,13)(6,12)(8,16)(10,15)(11,14)(17,21,22,19)(18,23,25,26)(20,27,29,30)(24,32,28,31)(33,38,40,36)(34,42,44,39)(35,46,48,43)(37,41,47,45)(1,5)(2,8)(3,10)(4,11)(6,14)(7,15)(9,16)(12,13)(17,18)(19,23)(20,24)(21,26)(22,25)(27,31)(28,29)(30,32)(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.