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