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