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