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