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