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