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