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