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