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