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