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