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