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