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)(24,36)(25,31)(26,28)(27,41)(29,35)(30,38)(33,44)(34,49)(37,46)(39,42)(40,45)(43,50)(47,48)(51,52) 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)(30,36)(31,41)(34,48)(35,39)(45,46)(50,51)(2,4)(21,23,27,35,26,33,25,39)(22,29,31,32,28,42,41,44)(24,34,37,51,38,48,40,50)(30,43,46,47,36,52,45,49)(6,11)(10,13)(12,19)(18,20)(21,24)(22,30)(23,34)(25,40)(26,38)(27,37)(28,36)(29,43)(31,46)(32,47)(33,48)(35,51)(39,50)(41,45)(42,52)(44,49) involution — undirected(2,4)(5,8,9,17)(6,12,11,19)(7,14,15,16)(10,18,13,20)(21,25,26,27)(22,31,28,41)(23,35,33,39)(24,37,38,40)(29,44,42,32)(30,45,36,46)(34,50,48,51)(43,47,52,49)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.