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)(17,18,22,24)(19,27,29,45)(20,31,33,47)(21,36,34,26)(23,38,39,28)(25,42,41,35)(30,46,37,43)(32,44,48,40)(1,3,6,14)(2,7,9,16)(4,13,5,12)(8,15,10,11)(17,19)(18,23)(20,32)(21,37)(22,29)(24,39)(25,43)(26,44)(27,31)(28,35)(30,34)(33,48)(36,40)(38,42)(41,46)(45,47)(2,8)(4,5)(7,15)(9,10)(11,16)(12,13)(20,33)(25,41)(27,45)(28,38)(31,47)(32,48)(35,42)(43,46) involution — undirected(2,9)(7,16)(8,10)(11,15)(18,24)(23,39)(25,41)(26,36)(27,45)(31,47)(40,44)(43,46) 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.