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