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