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)(19,27)(20,24)(21,25)(22,26)(23,30)(28,42)(29,43)(31,47)(32,39)(33,40)(34,48)(35,41)(36,44)(37,45)(38,46)(1,3)(2,7)(4,12)(5,13)(6,14)(8,15)(9,11)(10,16)(17,19)(18,23)(20,31)(21,30)(22,29)(24,38)(25,27)(26,37)(28,33)(32,46)(34,44)(35,45)(36,40)(39,47)(41,43)(42,48) involution — undirected(1,4,6,5)(2,8,10,9)(3,12,14,13)(7,15,16,11)(17,20,22,33)(18,24,26,40)(19,28,29,31)(21,34,35,32)(23,36,37,38)(25,39,41,48)(27,42,43,47)(30,46,45,44)(1,4,6,5)(2,9,10,8)(3,13,14,12)(7,15,16,11)(19,29)(23,37)(27,43)(28,31)(30,45)(36,38)(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.