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