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