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