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