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