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