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