One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,6,10)(3,11,13,16)(4,9,5,8)(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)(1,3,6,13)(2,7,10,15)(4,12,5,14)(8,11,9,16)(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)(4,5)(8,9)(11,16)(12,14)(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)(2,8,10,9)(3,12,13,14)(7,11,15,16)(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.