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