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