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