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)(17,18,21,26,22,24,32,37)(19,23,29,34,27,35,41,39)(20,25,30,38,31,36,43,46)(28,33,42,44,40,45,48,47)(1,3)(2,6)(4,12)(5,11)(7,14)(8,16)(9,15)(10,13)(17,19)(18,23,24,35)(20,28)(21,29)(22,27)(25,33,36,45)(26,39,37,34)(30,42)(31,40)(32,41)(38,47,46,44)(43,48)(2,7)(6,14)(8,15)(9,16)(18,24)(19,27)(25,36)(26,37)(28,40)(29,41)(38,46)(42,48) involution — undirected(17,20,22,31)(18,25,24,36)(19,28,27,40)(21,30,32,43)(23,33,35,45)(26,38,37,46)(29,42,41,48)(34,44,39,47)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.