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