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