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