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