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