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