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)(19,29,32,24,33,44,31,39)(20,25,37,42,36,43,35,41)(30,40,45,38,46,48,34,47)(1,2,5,8)(3,9,10,6)(4,13,12,7)(11,14,16,15)(17,19)(18,24)(20,34)(21,32)(22,33)(23,31)(25,40)(26,44)(27,29)(28,39)(30,35)(36,45)(37,46)(38,41)(42,47)(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)(25,38)(26,29)(27,44)(28,39)(34,35)(36,46)(37,45)(40,41)(42,48)(43,47) involution — undirected(3,10)(6,9)(11,16)(14,15)(17,20,21,35,22,36,23,37)(18,25,26,41,28,43,27,42)(19,30,31,34,33,46,32,45)(24,38,29,40,39,47,44,48)(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.