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