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)(21,22,26,30)(23,27,33,42)(24,28,35,44)(25,29,39,48)(31,40,49,51)(32,41,37,46)(34,43,50,52)(36,45,38,47)(5,7,10,16)(6,11,13,14)(8,15,9,18)(12,19,17,20)(21,23)(22,27)(24,34)(25,37)(26,33)(28,43)(29,46)(30,42)(31,36)(32,39)(35,50)(38,49)(40,45)(41,48)(44,52)(47,51)(2,4)(21,24,26,35)(22,28,30,44)(23,31,33,49)(25,38,39,36)(27,40,42,51)(29,47,48,45)(32,50,37,34)(41,52,46,43)(5,8,10,9)(6,12,13,17)(7,15,16,18)(11,19,14,20)(24,35)(28,44)(31,49)(34,50)(36,38)(40,51)(43,52)(45,47)(5,9,10,8)(6,12,13,17)(7,15,16,18)(11,20,14,19)(23,32)(25,39)(27,41)(29,48)(31,50)(33,37)(34,49)(36,38)(40,52)(42,46)(43,51)(45,47)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.