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