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