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