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