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