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