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