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