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