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