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