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