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