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