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