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)(13,17)(14,18)(15,19)(16,20)(21,22)(23,33)(24,38)(25,32)(26,31)(27,30)(28,36)(29,41)(34,43)(35,45)(37,44)(39,46)(40,47)(42,48)(49,51)(50,52) involution — undirected(2,4)(5,7)(6,10)(8,15)(9,13)(11,19)(12,17)(14,16)(18,20)(21,23,26,37,27,35,25,36)(22,28,32,45,30,44,31,33)(24,39,41,50,42,34,40,51)(29,46,38,49,47,43,48,52)(7,13)(10,17)(14,15)(18,19)(21,24,25,40,27,42,26,41)(22,29,31,48,30,47,32,38)(23,34,36,50,35,39,37,51)(28,43,33,49,44,46,45,52)(5,8,9,16)(6,11,12,20)(7,14,13,15)(10,18,17,19)(23,35)(28,44)(33,45)(34,39)(36,37)(43,46)(49,52)(50,51)(6,12)(10,17)(11,20)(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.