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