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