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