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