One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,4)(5,6,9,12)(7,13,15,10)(8,16,17,11)(14,18,20,19)(5,7)(6,10)(8,14)(9,15)(11,18)(12,13)(16,19)(17,20)(21,22,27,31)(23,32,36,47)(24,29,26,41)(25,38,40,44)(28,33,43,35)(30,37,45,39)(34,49,51,42)(46,48,52,50)(2,4)(21,23,24,33,27,36,26,35)(22,28,41,47,31,43,29,32)(25,34,37,48,40,51,39,50)(30,42,44,52,45,49,38,46)(5,8,9,17)(6,11,12,16)(7,14,15,20)(10,18,13,19)(21,24,27,26)(22,29,31,41)(23,33,36,35)(25,39,40,37)(28,32,43,47)(30,44,45,38)(34,50,51,48)(42,52,49,46)(7,15)(10,13)(14,20)(18,19)(21,25,24,37,27,40,26,39)(22,30,41,44,31,45,29,38)(23,34,33,48,36,51,35,50)(28,42,47,52,43,49,32,46)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.