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