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)(35,40)(36,41)(37,42)(38,43)(39,44)(45,46)(47,48)(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)(33,34,39,44)(35,40,36,41)(37,38,43,42)(45,48,47,46)(2,6)(7,14)(8,11)(15,16)(18,24)(19,25)(26,31)(27,32)(33,35,39,36)(34,40,44,41)(37,45,43,47)(38,48,42,46)(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)(33,36,39,35)(34,41,44,40)(37,45,43,47)(38,48,42,46)(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)(33,37,39,43)(34,42,44,38)(35,45,36,47)(40,46,41,48)(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)(33,38,39,42)(34,43,44,37)(35,46,36,48)(40,45,41,47)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.