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