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