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