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