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