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