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