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