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)(21,22,27,32)(23,33,37,43)(24,38,39,46)(25,31,26,30)(28,36,44,35)(29,40,45,41)(34,42,48,52)(47,49,51,50)(1,2,3,4)(5,7)(6,10)(8,14)(9,13)(11,17)(12,18)(15,20)(16,19)(21,23,26,36,27,37,25,35)(22,28,31,43,32,44,30,33)(24,34,41,50,39,48,40,49)(29,42,38,51,45,52,46,47)(6,11)(7,13)(12,15)(14,19)(21,24,26,41,27,39,25,40)(22,29,31,38,32,45,30,46)(23,34,36,50,37,48,35,49)(28,42,43,51,44,52,33,47)(7,13)(10,17)(14,19)(18,20) involution — undirected(5,8,9,16)(6,12,11,15)(7,14,13,19)(10,18,17,20)(24,39)(29,45)(34,48)(38,46)(40,41)(42,52)(47,51)(49,50)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.