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