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