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