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