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