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