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)(33,34)(35,36)(37,45)(38,41)(39,42)(40,47)(43,48)(44,46)(1,3,7,4)(2,8,5,9)(6,11,14,12)(10,15,13,16)(17,18)(19,22)(20,24)(21,25)(23,26)(27,29)(28,31)(30,32)(35,42)(36,39)(43,46)(44,48)(2,5)(6,14)(8,9)(11,12)(17,19,23,20)(18,24,26,22)(21,28,30,27)(25,29,32,31)(33,35,38,42)(34,39,41,36)(37,46,47,43)(40,44,45,48)(1,4,7,3)(2,9,5,8)(6,12,14,11)(10,16,13,15)(17,20,23,19)(18,24,26,22)(21,27,30,28)(25,29,32,31)(33,34)(35,39)(36,42)(37,40)(38,41)(43,48)(44,46)(45,47)(1,5,7,2)(3,8,4,9)(6,13,14,10)(11,15,12,16)(17,21)(18,25)(19,27)(20,28)(22,29)(23,30)(24,31)(26,32)(33,36,38,39)(34,35,41,42)(37,44,47,48)(40,43,45,46)(1,6,7,14)(2,10,5,13)(3,11,4,12)(8,15,9,16)(17,22,23,24)(18,19,26,20)(21,29,30,31)(25,27,32,28)(33,37)(34,40)(35,43)(36,44)(38,47)(39,48)(41,45)(42,46)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.