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