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