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