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