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