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