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