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