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