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