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