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