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