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