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