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