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