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