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