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