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