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