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