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