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