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