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