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