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