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