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