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