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