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