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