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