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