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