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