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