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