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