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