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