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