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