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