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