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