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