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