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