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