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