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