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