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