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