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