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