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