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