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