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