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