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